Bonobos voluntarily share food with strangers in exchange for company


Bonobos voluntarily share food and even renounce its own food by a stranger, but only if the receiver offers to change social interaction, According to a study published Wednesday by Jingzhi so and Brian Hare, the Duke University (United States), in the magazine ‘ Plos One ’.

In a series of experiments, the authors found that the behaviour of bonobos was at least partly driven by altruistic motivations, Since the animals helped buy food to strangers, even without the possible social interaction as a result of helping them. However, your generosity had its limits: animals do not share food in their possession if there is no social interaction possible.

Although study subjects were all bonobos who had been orphaned by the trade in Bush meat in the Congo, They showed no significant difference in psychological bonobos that had been raised by their mothers. According to the researchers, their results highlight the evolution of the generosity of these apes, the closest relatives of humans, and suggest that the behavior may have evolved to allow for expansion of the various social networks.

“It seems crazy to us, but bonobos prefer to share with strangers”, said Brian Hare, Professor of evolutionary anthropology at Duke University. In his view, They are trying to expand their social network and, apparently, they value it more than maintain the friendships that have already.

To measure this willingness to share, conducted a series of experiments with the sanctuary bonobos Lola already Bonobo, in Kinshasa, Democratic Republic of the Congo. “They care about others, but only in a kind of selfishly –said Hare–. They share when it comes to a kind of ‘ low-cost/low-benefit situation ’, but when it comes to a situation in which there is no benefit, they do not share, something that is different from a human being, having to worry about giving to others anonymously”.

Photo: Reuters

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